HUSTLER Super Z Diesel, General Service Manual

Page: 30 / 65

REV D 5-4 115164
Error Codes When Engine is Running
Error Code Breakdown
The warning light code indicates the light flashing pattern.
First digit = flashing / Second digit = light on (one second) / Number = times of patterns
Light action continues to flash the code until the problem is corrected.
Warning
Light Code
Problem Symptoms Suggested Remedies
31
Oil pressure decline
No error detection until after 180 seconds from engine
starting even in case of weak signal.
Goes into power cutback mode (Limp home mode) in
case more than 5 seconds of error detection after
above 180 seconds, and then shut down the engine
after 180 seconds.
Add engine oil.
Ensure harness and con-
nector connection.
Weak signal from oil pres-
sure switch
Short-circuiting (shunting)
due to harness disconnec-
tion
22
Pressure sensor malfunc-
tion
Goes into power cutback mode (Limp home mode)
immediately after power distribution.
Replace with new parts
Disconnection of pressure
sensor connector
Check connection
Disconnection of pressure
sensor harness
Continuity test
33
Actuator position sensor
malfunction
Goes into power cutback mode (Limp home mode)
immediately after power distribution.
Replace with new parts
Disconnection of actuator
position sensor connector
Ensure connection
Disconnection of actuator
position sensor harness
Continuity test
04
Actuator drive malfunction
Indicates warning light code "4" and shut down engine
immediately after detection.
Indicates warning light code "13" and "4" after engine
shut down
Replace with new parts
Disconnection of actuator
drive connector
Ensure connection
Disconnection of actuator
drive harness
Continuity test
15
Speed sensor malfunction
Goes into power cutback mode (Limp home mode)
immediately after detection.
Replace with new parts
Disconnection of speed
sensor connector
Ensure connection
Disconnection of speed
sensor harness
Continuity test